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https://www.readbyqxmd.com/read/28716695/the-nugget-design-a-modified-segmental-gracilis-free-flap-for-small-sized-defect-reconstruction-on-the-lower-extremity
#1
M Tremp, C M Oranges, W J Wang, R Wettstein, Y X Zhang, D J Schaefer, D F Kalbermatten
BACKGROUND: Little attention has been given to the segmental free gracilis muscle flap supplied by secondary proximal pedicles. We introduce a technical refinement for small-sized three-dimensional defect reconstruction on the foot. METHODS: Between November 2013 and August 2016, three patients with a mean age of 66 years (range 47-70 years) were included. A segmental gracilis free flap supplied by the most proximal secondary pedicle was harvested according to a modified "nugget design" to treat small-sized defects on the lower extremity requiring dead space reconstruction...
July 8, 2017: Journal of Plastic, Reconstructive & Aesthetic Surgery: JPRAS
https://www.readbyqxmd.com/read/28713713/reverse-peroneal-artery-flap-for-large-heel-and-sole-defects-a-reliable-coverage
#2
Yogesh C Bhatt, Sumer Singh, Piyush Doshi, Sanjay G Vaghani
BACKGROUND: Large soft tissue defects of ankle and foot always have been challenging to reconstruct. Reverse sural flaps, free flaps have been used for this problem with variable success. Reverse peroneal artery flap is an option to use with reliability without microvascular repair. Connections of peroneal artery around talus and ankle joint are deep and reliable with anterior tibial and posterior tibial artery. Arterial inflow and venous drainage improved with including short saphenous vein and reverse sural artery in the flap...
May 2017: World Journal of Plastic Surgery
https://www.readbyqxmd.com/read/28698831/effectiveness-of-reverse-sural-artery-flap-in-the-management-of-wheel-spoke-injuries-of-the-heel
#3
Hafiz U Farooq, Rizwan Ishtiaq, Shabana Mehr, Sadia Ayub, Umer H Chaudhry, Anam Ashraf
OBJECTIVE: Soft tissue injuries at the level of lower extremities, plantar, and dorsal foot pose a surgical challenge for reconstructive surgeons. This kind of injury commonly occurs when lower limbs get stuck in between the spokes of the wheel. Reverse sural artery flap has been proven to be an effective option to cover such defects. The aim of this study is to analyze the demographic variables of affected individuals, technical aspects of reverse sural artery flap, quantify the effectiveness of reverse sural artery flap among various treatment options available, and to study the outcome of injury...
June 10, 2017: Curēus
https://www.readbyqxmd.com/read/28689820/reverse-total-shoulder-glenoid-baseplate-stability-with-superior-glenoid-bone-loss
#4
Elise J Martin, Thomas R Duquin, Mark T Ehrensberger
BACKGROUND: Superior wear of the glenoid bone is common in patients with rotator cuff arthropathy. This can become a treatment challenge for patients who require shoulder arthroplasty. In reverse shoulder arthroplasty (RSA), glenoid bone loss may affect the stability of baseplate fixation. The primary purpose of this biomechanical laboratory study was to assess the initial fixation stability of RSA glenosphere baseplates in the presence of variable amounts of superior glenoid bone loss...
July 6, 2017: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/28682674/free-flap-transfer-for-coverage-of-transmetatarsal-amputation-stump-to-preserve-residual-foot-length
#5
Hyung Min Hahn, Kwang Sik Jeong, Myong Chul Park, Dong Ha Park, Il Jae Lee
Surgical management of soft-tissue defects of the forefoot and midfoot caused by trauma or diabetic complications can be challenging because locoregional tissue is insufficient to provide adequate flap. This deficiency necessitates higher-level amputations, such as Chopart or even transtibial amputation, resulting in far more debilitating functional outcomes than are seen with partial foot amputation. The purpose of this study was to examine the surgical outcomes after transmetatarsal amputation and a free-flap transfer to preserve foot length...
March 2017: International Journal of Lower Extremity Wounds
https://www.readbyqxmd.com/read/28662954/structural-allograft-supporting-a-trabecular-metal-cup-provides-durable-results-in-complex-revision-arthroplasty
#6
Hernan A Prieto, Michael E Kralovec, Daniel J Berry, Robert T Trousdale, Rafael J Sierra, Miguel E Cabanela
BACKGROUND: Revision total hip arthroplasty (THA) is challenging specially in the presence of severe acetabular bone deficiency. We report the use of a highly porous revision shell augmented by structural allograft to provide structural support and coverage to the acetabular component. METHODS: We identified 56 patients (58 hips) undergoing revision THA, where a trabecular metal revision cup was supported by structural allograft. Mean follow-up was 5.4 years (range 2-12 years)...
June 8, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/28650579/reconstruction-using-a-perforator-free-flap-after-malignant-melanoma-resection-of-the-ankle-and-foot
#7
Young C Suh, Hyunsuk P Suh, Jong S Lee, Jee S Chang, Joon P Jp Hong
BACKGROUND: Surgical excision with adequate margin is the treatment of choice to provide best chance for survival. However, tumors located on distal lower extremity may require reconstruction to salvage the limb which may affect prognosis and quality of life. This retrospective study aimed to evaluate the effect of free flap on overall outcomes of patients with primary malignant melanoma located on the foot and ankle. METHODS: Patients with primary malignant melanoma on the leg and foot who required free flap coverage between August 2005 and January 2014 were evaluated...
June 26, 2017: Journal of Surgical Oncology
https://www.readbyqxmd.com/read/28648685/proteomic-profiling-of-pachyonychia-congenita-plantar-callus
#8
Robert H Rice, Blythe P Durbin-Johnson, Michelle Salemi, Mary E Schwartz, David M Rocke, Brett S Phinney
Callus samples from the ball and the arch of the foot, collected on tape circles, were compared by shotgun proteomic profiling. Pachyonychia congenita subjects were sampled who exhibited a mutation in KRT6A, KRT6B, KRT6C, KRT16 or KRT17, and the proteins were digested and analyzed by tandem mass spectrometry. In comparison with samples from unaffected control subjects, those from subjects with KRT6A or KRT16 mutations displayed the most differences in profile from normal, while those from subjects with KRT6C or KRT17 mutations showed few differences from normal...
June 23, 2017: Journal of Proteomics
https://www.readbyqxmd.com/read/28647522/functional-medium-term-results-after-autologous-matrix-induced-chondrogenesis-for-osteochondral-lesions-of-the-talus-a-5-year-prospective-cohort-study
#9
Oliver Gottschalk, Sebastian Altenberger, Sebastian Baumbach, Stefanie Kriegelstein, Florian Dreyer, Alexander Mehlhorn, Hubert Hörterer, Andreas Töpfer, Anke Röser, Markus Walther
Autologous matrix-induced chondrogenesis (AMIC) has gained popularity in the treatment of osteochondral lesions of the talus. Previous studies have presented promising short-term results for AMIC talar osteochondral lesion repair, a 1-step technique using a collagen type I/III bilayer matrix. The aim of the present study was to investigate the mid-term effects. The 5-year results of a prospective cohort study are presented. All patients underwent an open AMIC procedure for a talar osteochondral lesion. Data analysis included general demographic data, preoperative magnetic resonance imaging findings, intraoperative details, and German version of the Foot Function Index (FFI-D) scores preoperatively and at 1 and 5 years after surgery...
June 21, 2017: Journal of Foot and Ankle Surgery: Official Publication of the American College of Foot and Ankle Surgeons
https://www.readbyqxmd.com/read/28633778/results-of-hemicap-%C3%A2-implantation-as-a-salvage-procedure-for-osteochondral-lesions-of-the-talus
#10
Sarah Ettinger, Christina Stukenborg-Colsman, Hazibullah Waizy, Christoph Becher, Daiwei Yao, Leif Claassen, Yvonne Noll, Christian Plaass
Osteochondral defects (OCDs) of the talus remain a surgical challenge, especially after failed primary treatment. The aim of the present study was to examine the clinical outcomes after HemiCAP(®) implantation for OCDs of the medial talar dome after failed previous surgery. Our retrospective study included 11 patients, who had undergone surgery from June 2009 to September 2012 for an OCD of the medial talar dome and received a HemiCAP(®) on the talus after failed previous surgery for OCD. The data were acquired using patients' medical records and standardized questionnaires, including the Foot and Ankle Outcome Score (FAOS), University of California at Los Angeles (UCLA) activity score, EQ-5D, numerical rating scale (NRS), and Short-Form 36-item Health Survey (SF-36)...
July 2017: Journal of Foot and Ankle Surgery: Official Publication of the American College of Foot and Ankle Surgeons
https://www.readbyqxmd.com/read/28627865/the-value-of-color-doppler-ultrasound-in-the-diagnosis-of-lower-extremity-vascular-disease-in-type-2-diabetes-and-an-analysis-of-related-factors
#11
Le Jiang, Yuehua Zhao
BACKGROUND: The aim of this paper is to explore the application and clinical significance of color Doppler ultrasound (CDU) in diagnosing lower extremity vascular disease in type 2 diabetes mellitus (T2DM) patients. METHODS: The lower extremity arteries of 81 patients with T2DM and 50 control patients were examined by CDU for blood vessel diameter, intima-media thickness, plaque on the vessel wall, lumen stenosis and filling defect in blood flow. The occurrence of diabetes mellitus was investigated in additional T2DM patients of various ages...
September 2017: Minerva Endocrinologica
https://www.readbyqxmd.com/read/28624855/ct-arthrography-visualizes-tissue-growth-of-osteochondral-defects-of-the-talus-after-microfracture
#12
Hong-Geun Jung, Na-Ra Kim, Ji-Young Jeon, Dong-Oh Lee, Jun-Sang Eom, Jong-Soo Lee, Sung-Wook Kim
PURPOSE: Little is known about the arthroscopic or radiographic outcomes after arthroscopic microfracture of osteochondral lesions of the talus (OLTs). The purpose of this study was to investigate tissue growth after arthroscopic microfracture of OLTs using computed tomography arthrography (CTA) and to identify the relationship between CTA findings and clinical outcomes. We hypothesized that the morphology of the repaired tissue would be similar to that of normal anatomy and correlate with the clinical outcomes...
June 17, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/28612249/autologous-structural-iliac-bone-grafts-in-reconstructions-of-short-bone-defects-in-the-hand-and-foot-after-primary-bone-tumor-resections-a-single-institution-retrospective-study
#13
J Lesensky, K Nemec, I Kofranek, Z Matejovsky
The use of structural autografts from the iliac crest for reconstruction of bony defects in the hand and foot was described by Wilson and Lance in 1965. However, very few series of this technique are published and long-term results are unknown. We present a single-institution series of 23 patients with a mean follow-up of 92 months. We also describe a novel modification of this technique using the anterior superior iliac spine for reconstruction of the adjacent joint. Failure rate was 13% at mean of 17.3 months...
August 2017: European Journal of Orthopaedic Surgery & Traumatology: Orthopédie Traumatologie
https://www.readbyqxmd.com/read/28606622/reconstruction-of-combined-thumb-amputation-at-the-metacarpal-base-level-and-index-amputation-at-the-metacarpal-level-with-pollicization-and-bilateral-double-toe-composite-transfer
#14
Zhenglin Chi, Da Jiang Song, Lin Tian, Fu Hua Hu, Xiao Fang Shen, Harvey Chim
BACKGROUND: This study aimed to describe the technique and report our experience with the reconstruction of combined proximal thumb amputations at the metacarpal base level and index finger amputation at the metacarpal level with pollicization and bilateral double toe composite transfer. METHODS: The technique consists of pollicization of the remnant index ray. Then a contralateral composite medial great toe pulp and vascularized second toe proximal interphalangeal joint flap are harvested to reconstruct the metacarpophalangeal joint of the thumb...
May 20, 2017: Journal of Plastic, Reconstructive & Aesthetic Surgery: JPRAS
https://www.readbyqxmd.com/read/28604551/the-periosteal-medial-femoral-condyle-free-flap-a-new-option-for-soft-tissue-reconstruction-of-the-distal-lower-extremity
#15
Noah H Saad, Matthew E Pontell, Brian S Winters, Joseph Daniel, Adam Saad
BACKGROUND: Small (<30 cm) soft tissue defects of the distal leg, foot, and ankle pose a complicated issue with regard to wound healing. Multiple flaps have been proposed for reconstruction of these wounds with varying levels of success. The medial femoral condyle flap is a free bone flap supplied by the descending geniculate artery. It is currently used in the treatment of fracture nonunion, infected bone defects, avascular necrosis, and osteoradionecrosis. This study proposes the use of the periosteal portion of the medial femoral condyle (PMFC) flap for soft tissue reconstruction of the distal leg, foot, and ankle...
June 9, 2017: Annals of Plastic Surgery
https://www.readbyqxmd.com/read/28599099/clinical-and-molecular-genetic-characterization-of-two-siblings-with-trisomy-2p24-3-pter-and-monosomy-5p14-3-pter
#16
Daisuke Fukushi, Kenji Kurosawa, Yasuyo Suzuki, Kaoru Suzuki, Kenichiro Yamada, Seiji Watanabe, Kenji Yokochi, Nobuaki Wakamatsu
Partial trisomy 2p syndrome is occasionally associated with neural tube defects (NTDs), such as anencephaly, encephalocele, and spina bifida, in addition to common features of intellectual disability, developmental delay, and characteristic facial appearance. The 2p24 region has been reported to be associated with NTDs. Here, we report the cases of 2 siblings with trisomy 2p24.3-pter and monosomy 5p14.3-pter caused by the paternal translocation t(2;5)(p24.3;p14.3). Of the two siblings, the elder sister had spina bifida...
June 9, 2017: American Journal of Medical Genetics. Part A
https://www.readbyqxmd.com/read/28598001/3d-printing-technology-in-planning-thumb-reconstructions-with-second-toe-transplant
#17
Cheng-Wu Zang, Jian-Lei Zhang, Ze-Zu Meng, Lin-Feng Liu, Wen-Zhi Zhang, Yong-Xiang Chen, Rui Cong
OBJECTIVE: To report preoperative planning using 3D printing to plan thumb reconstructions with second toe transplant. METHODS: Between December 2013 and October 2015, the thumbs of five patients with grade 3 thumb defects were reconstructed using a wrap-around flap and second toe transplant aided by 3D printing technology. CT scans of hands and feet were analyzed using Boholo surgical simulator software (www.boholo.com). This allowed for the creation of a mirror image of the healthy thumb using the uninjured thumb...
May 2017: Orthopaedic Surgery
https://www.readbyqxmd.com/read/28594792/-assessment-of-functional-state-of-microcirculatory-bed-of-the-foot-in-patients-with-lower-limb-critical-ischaemia
#18
S A Platonov, V V Zavatskiĭ, M A Kiselev, A I Avramenko, A S Novitskiĭ, I A Alimkhadzhiev, D V Kandyba, V E Savello, I P Dudanov
The authors assessed perfusion of the foot in patients presenting with lower limb critical ischaemia before and after endovascular revascularization, as well as analysed the interrelationship between the change of perfusion and the clinical result of treatment. The study includes a total of 15 patients presenting with ulcerative-necrotic defects of the foot. All patients underwent study of 2D-perfusion of the foot before and after the endovascular intervention. The '2D-perfusion' package was used within the framework of an angiographic examination, and required neither increase in the volume of the contrast medium nor radiation load...
2017: Angiologii︠a︡ i Sosudistai︠a︡ Khirurgii︠a︡, Angiology and Vascular Surgery
https://www.readbyqxmd.com/read/28588447/the-effects-of-epidermal-neural-crest-stem-cells-on-local-inflammation-microenvironment-in-the-defected-sciatic-nerve-of-rats
#19
Yue Li, Dongdong Yao, Jieyuan Zhang, Bin Liu, Lu Zhang, Hua Feng, Bingcang Li
Cell-based therapy is a promising strategy for the repair of peripheral nerve injuries (PNIs). epidermal neural crest stems cells (EPI-NCSCs) are thought to be important donor cells for repairing PNI in different animal models. Following PNI, inflammatory response is important to regulate the repair process. However, the effects of EPI-NCSCs on regulation of local inflammation microenviroment have not been investigated extensively. In the present study, these effects were studied by using 10 mm defected sciatic nerve, which was bridged with 15 mm artificial nerve composed of EPI-NCSCs, extracellular matrix (ECM) and poly (lactide-co-glycolide) (PLGA)...
2017: Frontiers in Molecular Neuroscience
https://www.readbyqxmd.com/read/28587484/seven-year-follow-up-of-matrix-induced-autologous-implantation-in-talus-articular-defects
#20
Christopher Kreulen, Eric Giza, Judie Walton, Martin Sullivan
BACKGROUND: Osteochondral lesions of the talus (OLT) are difficult to treat because of the poor intrinsic healing capability of articular cartilage. Matrix-induced autologous chondrocyte implantation (MACI) has been shown to be a reliable method for treating cartilage lesions that fail to respond to traditional microfracture and debridement. The purpose of this study was to assess 7-year clinical follow-up data of this technique and demonstrate midterm success of this implant. METHODS: A prospective investigation of MACI was performed on 10 patients with OLTs who had failed previous arthroscopic treatment...
June 1, 2017: Foot & Ankle Specialist
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